private void CreateObstacleInRoom(MazeRoom room)
{
GameObject obstacle = mazeObstacles[Random.Range(0, mazeObstacles.Length)];
MazeCell cell = room.RandomCell();
obstacle = Instantiate(obstacle, this.transform);
obstacle.transform.parent = cell.transform;
obstacle.transform.localPosition = Vector3.zero;
obstacle.transform.localScale = Vector3.one * 0.25f;
room.obstacle = obstacle.GetComponent(typeof(Obstacle)) as Obstacle;
}
